json.extract! @region, :id, :name, :alias, :code, :parent_code, :zip, :abbr, :pinyin
json.url region_path(@region, format: :json)

json.children (@region_children) do |region|
  json.extract! region, :id, :name, :alias, :code, :parent_code, :zip, :abbr, :pinyin
end
